lithium-ion battery
AssessTechniques
A rechargeable battery chemistry commonly used in consumer electronics and EVs.
Why it's here
Placed in Assess: 2 article(s) of evidence from 1 source(s), led by research breakthroughs, with 2 in the last 30 days. Confidence 32%.
Evidence (2)
- 6Hacker News·7/30/2026researchWhy Solid-State Batteries Are Getting So Much Attention
The article explains why solid-state batteries are drawing major investment and research interest from companies such as CATL, BYD, LG, and Samsung, as well as well-funded startups. It outlines how replacing a liquid electrolyte with a solid material could improve battery safety and reduce weight, and begins a broader explanation of the electrochemistry behind lithium batteries.
- 8Hacker News·7/14/2026breakthroughJapan develops lithium recovery method for used EV batteries
Researchers in Japan have developed a recycling method that can recover up to 90% of lithium from used EV batteries. The process reportedly uses recovered lithium hydroxide in place of sodium hydroxide and may reduce carbon emissions by about 40% compared with conventional recycling.